x+7/9x=4/3 x÷5/6=105 3x-1.4X2=1.1 15÷x=5/6 x÷16=4 7.5÷x=24÷12 5/8-x=5/16 3/5x=25X2/5 x+2/3-1/2=17/18 x/3=10 x÷8/9=3/4÷7/6 3/5X1/2-x=1/5 x+(1.5-1.2)=7 xX2/3=8X3/4 1/4+1/5x45 0.4x-1.6=18 5x+18X6=128 4x-15X2/3=12 0.8÷x=5.4÷3 数学
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【答案】 16/9X=4/3 X=3/4
X=105*5/6=19*5=95
3X=3.9 X=1.3
X=15除以5/6=18
X=64
X=7.5÷2=3.75
x=5/8-5/16=5/16
x=10÷3/5=50/3
X=26/18-2/3+1/2=26/18-12/18+9/18=23/18
X=30
X=3/4*6/7*8/9=4/7
3/5X1/2-x=1/5 X=1/10
x+(1.5-1.2)=7 =7-2.7 X=4.3
xX2/3=8X3/4 X=6*3/2 X=9
1/4+1/5x45 0.4x-1.6=18 看不懂
5x+18X6=128 X=(128-108)÷5 X=4
4x-15X2/3=12 X=(12+10)÷4 X=5.5
0.8÷x=5.4÷3 X=0.8÷1.8=4/9